Home
Class 12
MATHS
If vec a+2"" vec b+3"" vec c="" vec0 an...

If ` vec a+2"" vec b+3"" vec c="" vec0` and `|"" vec a|=6,|"" vec b|=3a n d|"" vec c|=2` , then angle between ` vec aa n d"" vec b` is

Promotional Banner

Topper's Solved these Questions

  • INVERSE TRIGONOMETRIC FUNCTIONS

    RESONANCE DPP|Exercise All Questions|15 Videos

  • MATRICES

    RESONANCE DPP|Exercise All Questions|7 Videos

Similar Questions

Explore conceptually related problems

vec a + vec b + vec c = vec 0, | vec a | = 3, | vec b | = 5, | vec c | = 7 then angle between vec a and vec b is

If vec a + vec b = vec c and | vec a | = | vec b | = | vec c | find the angle between vec a and vec b

If |vec a|=3,|vec b|=5,|vec c|=7 and vec a+vec b+vec c=0 then angle between vec a and vec b is

If |vec a|+|vec b|=|vec c| and vec a+vec b=vec c, then find the angle between vec a and vec b

Vector vec a,vec b and vec c are such that vec a+vec b+vec c=vec 0 and |a|=3,|vec b|=5 and |vec c|=7. Find the angle between vec a and vec b.

Let vec(a), vec(b) and vec(c) be three vectors such that vec(a) + vec(b) + vec(c) = 0 and |vec(a)|=10, |vec(b)|=6 and |vec(c) |=14 . What is the angle between vec(a) and vec(b) ?

Consider Delta ABC with A (case a), B (case b) and C (case c). If vec b * (vec a + vec c) = vec b * vec b + vec a * vec c | vec b-vec a | = 3; | vec c-vec b | = 4, then the angle between the median vec AM and vec AD is:

Consider Delta ABC with A = (vec a); B = ([vec bvec b]) and C = (vec c). If vec b * (vec a + vec c) = vec b * vec b + vec a * vec c; | vec b-vec a | = 3; | vec c-vec b | = 4 then the angle between the medians Avec M and Bvec D is

If vec a , vec b , vec c are three vectors such that | vec a+ vec b+ vec c|=1, vec c=lambda( vec axx vec b)a n d| vec a|=1/(sqrt(2)),| vec b|=1/(sqrt(3)),| vec c|=1/(sqrt(6)) , find the angle between vec aa n d vec bdot

Let vec a , vec b , vec c are three vectors , such that vec a + vec b + vec c = vec 0 .If , |vec a|=3 , |vec b|=4 and | vec c|=5 , then the value of, |vec a+vec b|^(2) + |vec b-vec c|^(2) + |vec c+vec a|^(2) , equal to :

RESONANCE DPP-JEE MAINS-All Questions
  1. If z1& z1 represent adjacent vertices of a regular polygon on n sides...

    Text Solution

    |

  2. If z=((1+isqrt3)^2)/(4i(1-isqrt3)) is a complex number then a. arg(...

    Text Solution

    |

  3. If vec a+2"" vec b+3"" vec c="" vec0 and |"" vec a|=6,|"" vec b|=3a n...

    Text Solution

    |

  4. Function f(x)=sin(lnx)-"cos"(lnx) is (a)M.I. in [e^(2npipi/4),e^(2np...

    Text Solution

    |

  5. tan(sec^(-1) (1/x))=sin(cos^(-1) (1/sqrt(5)))

    Text Solution

    |

  6. If f(x)={(sina x^2)/(x^2); x!=0 3/4+1/(4a); x=0, is continuous everyw...

    Text Solution

    |

  7. The value of sin(pi/3-sin^(-1)(4/5)) is (a) (3sqrt(3)-4)/(10) (b) (3...

    Text Solution

    |

  8. If greatest and least values of f(x)=sin^(-1)(x/(sqrt(x^2+1)))-lnx in...

    Text Solution

    |

  9. "lim"(x->0)(ln(t a n(pi/4+a x)))/(sinb x),b!=0 is equal to (a)a/b (b...

    Text Solution

    |

  10. If An=int0^(pi/2)(sin(2n-1)x)/(sinx)dx ;Bn=int0^(pi/2)((sinn x)/(sinx...

    Text Solution

    |

  11. Which of the following functions is periodic (a) cos^2x+sinx^3+"tan"...

    Text Solution

    |

  12. Solve the following system of inequations: 4(tan^(-1)x)^2-8tan^(-1)x+3...

    Text Solution

    |

  13. The number of values of k for which the system of the equations (k+1)x...

    Text Solution

    |

  14. Projection of line (x+1)/2+(y+1)/(-1)=(z+3)/4 on the plane x+2y+z=6; h...

    Text Solution

    |

  15. ("lim")(x→0^+)("sin"[cosx])/(1-[cosx]) ([.] denotes the greatest integ...

    Text Solution

    |

  16. If [dot] represents the greatest integer function, then int4^(10)([x^2...

    Text Solution

    |

  17. Lim(x rarr 0^+) ((pi/2-cot^(-1){x})x)/("sgn"x-cosx) (where {.} and sgn...

    Text Solution

    |

  18. int2^4((log)x2-(((log)2 2)^2)/(ln2))dx= 0 (b) 1 (c) 2 (d) 4

    Text Solution

    |

  19. The value of the integral int-2^(2) |1-x^2|dx is

    Text Solution

    |

  20. Prove that int0^2|x^2+2x-3|dx=4

    Text Solution

    |